Computer PC Desktop Case Fan Screws [50 Pack] 10mm for Corsair Cooler Master HP Alienware Lenovo Acer ASUS & many more UNIVERSAL PC FAN mount screws will work for most major PC, fan and case makers HIGH QUALITY BLACK CARBON STEEL ensures it will last forever 10MM in LENGTH will fit most 60mm 80mm 120mm and 140mm PC case fans 50 SCREWS PER PACKAGE so you have enough for any job and plenty left over NEW OR UPGRADES - Perfect PC screws to have on hand for new system builds or upgrades